Switchblade2.0 Red Filter / Macro Combo-for GoPro Hero3 Fits Hero4 / Hero3+ / Hero3 60M Dive Housings (8 screws on front of housing) Stronger redesigned frame uses metal rivets to ensure durability (Updated Jan 2016) Professional red filter for tropical water color correction 12 to 85 feet deep Strong Glass Macro lens reduces focus distance down to 3-6 inches underwater 5 Year warranty with PolarPro support (US based)